GETCO Exam Paper (22-07-2015) Current chopping phenomenon is related to capacitance switching small inductive current resistance switching asymmetrical current capacitance switching small inductive current resistance switching asymmetrical current ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Slip at maximum torque depends on rotor resistance and reactance stator resistance load current stator reactance rotor resistance and reactance stator resistance load current stator reactance ANSWER EXPLANATION DOWNLOAD EXAMIANS APP at maximum torque:S=R₂/X₂
GETCO Exam Paper (22-07-2015) The mechanical angle is _____ electrical angle same always less lesser than or equal to greater than or equal to same always less lesser than or equal to greater than or equal to ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Electrical angle = (P/2)*mechanicla angle
GETCO Exam Paper (22-07-2015) Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm 0 N-m 10 N-m 22 N-m 23.5 N-m 0 N-m 10 N-m 22 N-m 23.5 N-m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = 2πTN/60 where N is speed in rpm
GETCO Exam Paper (22-07-2015) Critical clearing time of a fault in a power system is related to Steady state limit Short circuit limit Transient stability limit Reactive power limit Steady state limit Short circuit limit Transient stability limit Reactive power limit ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Fuel cell for power generation have drawback of _____ Synchronization problems Low life span Noise, pollution and maintenance problems Very high development costs Synchronization problems Low life span Noise, pollution and maintenance problems Very high development costs ANSWER DOWNLOAD EXAMIANS APP
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